/* ==========================================================================
   Diário do Prato — Estilo Premium da Casa
   Tokens, tipografia, temas claro/escuro e microinterações
   ========================================================================== */

:root {
  --fonte: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --raio-sm: 8px;
  --raio: 12px;
  --raio-lg: 20px;
  --raio-full: 9999px;

  /* Tema Claro */
  --cor-principal: #2f7d4f;
  --cor-principal-suave: rgba(47, 125, 79, 0.12);
  --cor-principal-hover: #266841;
  --cor-acento: #d9472b;
  --cor-acento-suave: rgba(217, 71, 43, 0.12);

  --cor-fundo: #f7f8f5;
  --cor-superficie: #ffffff;
  --cor-superficie-elevada: #ffffff;
  --cor-card: #ffffff;
  --cor-borda: #e0e6e1;
  --cor-borda-suave: #edf2ee;

  --cor-texto: #17261d;
  --cor-texto-secundario: #4b5e52;
  --cor-texto-terciario: #718778;

  --cor-alerta-bg: #fff8eb;
  --cor-alerta-texto: #8f5800;
  --cor-alerta-borda: #ffd999;

  --cor-erro-bg: #fdeeee;
  --cor-erro-texto: #b3261e;

  --sombra-sm: 0 1px 3px rgba(23, 38, 29, 0.05);
  --sombra: 0 4px 12px rgba(23, 38, 29, 0.08);
  --sombra-lg: 0 12px 32px rgba(23, 38, 29, 0.12);

  --transicao-rapida: 150ms ease;
  --transicao-normal: 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-tema="claro"]) {
    --cor-principal: #5fc28a;
    --cor-principal-suave: rgba(95, 194, 138, 0.15);
    --cor-principal-hover: #75cca0;
    --cor-acento: #ff7a5c;
    --cor-acento-suave: rgba(255, 122, 92, 0.15);

    --cor-fundo: #0f1411;
    --cor-superficie: #18221b;
    --cor-superficie-elevada: #202d24;
    --cor-card: #18221b;
    --cor-borda: #27382d;
    --cor-borda-suave: #1d2a20;

    --cor-texto: #eaf2ec;
    --cor-texto-secundario: #9fb3a5;
    --cor-texto-terciario: #728779;

    --cor-alerta-bg: #2b220f;
    --cor-alerta-texto: #ffd999;
    --cor-alerta-borda: #5c4415;

    --cor-erro-bg: #2d1313;
    --cor-erro-texto: #ff8a80;

    --sombra-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --sombra: 0 4px 16px rgba(0, 0, 0, 0.4);
    --sombra-lg: 0 12px 36px rgba(0, 0, 0, 0.5);
  }
}

:root[data-tema="dark"] {
  --cor-principal: #5fc28a;
  --cor-principal-suave: rgba(95, 194, 138, 0.15);
  --cor-principal-hover: #75cca0;
  --cor-acento: #ff7a5c;
  --cor-acento-suave: rgba(255, 122, 92, 0.15);

  --cor-fundo: #0f1411;
  --cor-superficie: #18221b;
  --cor-superficie-elevada: #202d24;
  --cor-card: #18221b;
  --cor-borda: #27382d;
  --cor-borda-suave: #1d2a20;

  --cor-texto: #eaf2ec;
  --cor-texto-secundario: #9fb3a5;
  --cor-texto-terciario: #728779;

  --cor-alerta-bg: #2b220f;
  --cor-alerta-texto: #ffd999;
  --cor-alerta-borda: #5c4415;

  --cor-erro-bg: #2d1313;
  --cor-erro-texto: #ff8a80;

  --sombra-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --sombra: 0 4px 16px rgba(0, 0, 0, 0.4);
  --sombra-lg: 0 12px 36px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  font-family: var(--fonte);
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  touch-action: manipulation;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  background-color: var(--cor-fundo);
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}

/* Topo do App */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--cor-superficie);
  border-bottom: 1px solid var(--cor-borda);
  padding: calc(12px + env(safe-area-inset-top)) 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 32px;
  height: 32px;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cor-texto);
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-icon {
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--raio-full);
  border: 1px solid var(--cor-borda);
  background: var(--cor-superficie);
  color: var(--cor-texto);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.btn-icon:hover {
  background: var(--cor-borda-suave);
}

/* Conteúdo das Telas */
.screen {
  display: none;
  padding: 16px;
  animation: fadeIn var(--transicao-normal);
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Barra de Navegação Inferior (3 abas)
   ========================================================================== */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background-color: var(--cor-superficie);
  border-top: 1px solid var(--cor-borda);
  display: flex;
  justify-content: space-around;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  max-width: 640px;
  margin: 0 auto;
}

.nav-item {
  flex: 1;
  min-height: 48px;
  border: none;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--cor-texto-secundario);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--raio);
  transition: var(--transicao-rapida);
}

.nav-item svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.nav-item.active {
  color: var(--cor-principal);
}

.nav-item.active svg {
  stroke-width: 2.4;
}

/* ==========================================================================
   TELA 1: REGISTRAR
   ========================================================================== */

.camera-container {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: #000000;
  border-radius: var(--raio-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--sombra);
  margin-bottom: 16px;
}

#cameraVideo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

#cameraCanvas {
  display: none;
}

.camera-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, transparent 25%, transparent 75%, rgba(0,0,0,0.6) 100%);
}

.camera-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

.camera-actions-bottom {
  display: flex;
  align-items: center;
  justify-content: space-around;
  width: 100%;
}

.btn-shutter {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 4px solid #ffffff;
  background-color: rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transicao-rapida);
}

.btn-shutter::after {
  content: '';
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: #ffffff;
  transition: transform var(--transicao-rapida);
}

.btn-shutter:active {
  transform: scale(0.92);
}

.btn-retake {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 8px 14px;
  border-radius: var(--raio-full);
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(8px);
  display: none;
}

/* Card de Registro & Voz */
.register-sheet {
  background-color: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio-lg);
  padding: 16px;
  box-shadow: var(--sombra-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.input-resumo-wrapper {
  position: relative;
}

.input-resumo {
  width: 100%;
  min-height: 88px;
  border-radius: var(--raio);
  border: 1px solid var(--cor-borda);
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  font-family: var(--fonte);
  font-size: 0.95rem;
  padding: 12px 14px;
  resize: vertical;
  outline: none;
  transition: border-color var(--transicao-rapida);
}

.input-resumo:focus {
  border-color: var(--cor-principal);
}

.voice-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--raio);
  background-color: var(--cor-fundo);
  border: 1px solid var(--cor-borda);
}

.voice-status {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.voice-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 24px;
}

.voice-bar {
  width: 3px;
  height: 6px;
  background-color: var(--cor-principal);
  border-radius: 2px;
  transition: height 60ms ease;
}

.voice-time {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cor-texto-secundario);
}

.btn-mic {
  min-width: 48px;
  min-height: 48px;
  border-radius: var(--raio-full);
  background-color: var(--cor-principal);
  color: #ffffff;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.btn-mic.recording {
  background-color: var(--cor-acento);
  animation: pulseMic 1.2s infinite;
}

@keyframes pulseMic {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(217, 71, 43, 0.4); }
  70% { transform: scale(1.06); box-shadow: 0 0 0 10px rgba(217, 71, 43, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(217, 71, 43, 0); }
}

.btn-primary {
  width: 100%;
  min-height: 52px;
  border-radius: var(--raio);
  background-color: var(--cor-principal);
  color: #ffffff;
  border: none;
  font-size: 1rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: var(--sombra);
  transition: var(--transicao-rapida);
}

.btn-primary:hover {
  background-color: var(--cor-principal-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secundario {
  width: 100%;
  min-height: 48px;
  border-radius: var(--raio);
  background-color: var(--cor-superficie-elevada);
  color: var(--cor-texto);
  border: 1px solid var(--cor-borda);
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.btn-secundario:hover {
  background-color: var(--cor-borda-suave);
  border-color: var(--cor-principal);
}

.btn-secundario:active {
  transform: scale(0.98);
}

.btn-step-gramas {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--raio-sm);
  border: 1px solid var(--cor-borda);
  background: var(--cor-superficie-elevada);
  color: var(--cor-texto);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.btn-step-gramas:hover {
  background: var(--cor-principal-suave);
  color: var(--cor-principal);
  border-color: var(--cor-principal);
}

/* ==========================================================================
   TELA 2: DIÁRIO
   ========================================================================== */

.date-selector {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  padding: 8px 12px;
  margin-bottom: 16px;
}

.date-display {
  font-weight: 700;
  font-size: 1rem;
  color: var(--cor-texto);
}

.kcal-card {
  background-color: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio-lg);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
  box-shadow: var(--sombra-sm);
}

.kcal-ring-container {
  width: 96px;
  height: 96px;
  position: relative;
  flex-shrink: 0;
}

.kcal-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.kcal-ring-val {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
}

.kcal-ring-unit {
  font-size: 0.68rem;
  color: var(--cor-texto-secundario);
  text-transform: uppercase;
}

.kcal-details {
  flex: 1;
}

.kcal-details-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cor-texto-secundario);
}

.kcal-details-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--cor-texto);
  margin-bottom: 6px;
}

.macros-inline {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Lista de Refeições */
.meals-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.meal-card {
  background-color: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  padding: 14px;
  display: flex;
  gap: 14px;
  cursor: pointer;
  transition: transform var(--transicao-rapida), box-shadow var(--transicao-rapida);
}

.meal-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--sombra);
}

.meal-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--raio-sm);
  object-fit: cover;
  background-color: var(--cor-borda-suave);
  flex-shrink: 0;
}

.meal-thumb-placeholder {
  width: 72px;
  height: 72px;
  border-radius: var(--raio-sm);
  background-color: var(--cor-principal-suave);
  color: var(--cor-principal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.meal-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.meal-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.meal-time {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cor-texto-secundario);
}

.meal-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cor-texto);
  margin: 2px 0;
}

.meal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--raio-full);
  font-size: 0.72rem;
  font-weight: 600;
  background-color: var(--cor-borda-suave);
  color: var(--cor-texto-secundario);
}

.chip-status-salva { background-color: var(--cor-principal-suave); color: var(--cor-principal); }
.chip-status-analisando { background-color: var(--cor-alerta-bg); color: var(--cor-alerta-texto); }
.chip-status-aguardando { background-color: var(--cor-alerta-bg); color: var(--cor-alerta-texto); }
.chip-status-falhou { background-color: var(--cor-erro-bg); color: var(--cor-erro-texto); }

.login-backdrop { align-items: center; justify-content: center; padding: 24px; }
.login-sheet { max-width: 420px; width: 100%; padding: 28px 24px 24px; border-radius: var(--raio-lg); }
.login-brand { text-align: center; margin-bottom: 24px; }
.login-logo { margin-bottom: 12px; }
.login-title { font-size: 1.35rem; font-weight: 800; margin: 0 0 6px; color: var(--cor-texto); }
.login-subtitle { font-size: 0.9rem; color: var(--cor-texto-secundario); margin: 0; line-height: 1.45; }
.login-form { display: flex; flex-direction: column; gap: 12px; }
.login-label { font-size: 0.82rem; font-weight: 600; color: var(--cor-texto-secundario); }
.login-input { min-height: 48px; }
.login-senha-row { display: flex; gap: 8px; align-items: stretch; }
.login-senha-row .login-input { flex: 1; }
.login-mostrar-senha { flex-shrink: 0; min-height: 48px; padding: 0 12px; font-size: 0.85rem; }
.login-erro { min-height: 1.2em; font-size: 0.85rem; color: var(--cor-erro-texto); margin: 0; }
.login-submit { min-height: 48px; margin-top: 4px; }
.login-indisponivel { text-align: center; color: var(--cor-texto-secundario); font-size: 0.95rem; padding: 12px 0; }

.chip-confira { background-color: var(--cor-acento-suave); color: var(--cor-acento); }

/* ==========================================================================
   TELA 3: PAINEL & RÉGUAS NUTRACIONAIS
   ========================================================================== */

.periodo-tabs {
  display: flex;
  background-color: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  padding: 4px;
  margin-bottom: 16px;
}

.periodo-tab {
  flex: 1;
  min-height: 38px;
  border: none;
  background: transparent;
  color: var(--cor-texto-secundario);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--raio-sm);
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.periodo-tab.active {
  background-color: var(--cor-principal);
  color: #ffffff;
}

.painel-notice {
  font-size: 0.82rem;
  color: var(--cor-texto-terciario);
  margin-bottom: 12px;
  text-align: center;
}

.lente-card {
  background-color: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio-lg);
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: var(--sombra-sm);
}

.lente-header {
  margin-bottom: 12px;
}

.lente-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--cor-texto);
}

.lente-nota {
  font-size: 0.8rem;
  color: var(--cor-texto-secundario);
  margin-top: 2px;
}

.lente-svg-wrap {
  width: 100%;
  margin: 12px 0;
  overflow: visible;
}

.lente-svg-wrap svg {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
}

.lente-legenda-numerada {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--cor-texto);
}

.lente-legenda-numerada li {
  margin-bottom: 6px;
}

.lente-legenda-marcador {
  font-weight: 800;
  color: var(--cor-principal);
  margin-right: 4px;
}

.lente-rodape {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--cor-borda-suave);
  font-size: 0.78rem;
  color: var(--cor-texto-secundario);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fonte-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
}

.fonte-conferida {
  background-color: var(--cor-principal-suave);
  color: var(--cor-principal);
}

.fonte-a-conferir {
  background-color: var(--cor-alerta-bg);
  color: var(--cor-alerta-texto);
}

.tabela-acessivel {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.82rem;
}

.tabela-acessivel th, .tabela-acessivel td {
  padding: 6px 8px;
  border: 1px solid var(--cor-borda);
  text-align: left;
}

.tabela-acessivel th {
  background-color: var(--cor-fundo);
  font-weight: 700;
}

/* ==========================================================================
   Modais & Toasts
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: fadeIn 200ms ease;
}

.modal-sheet {
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  background-color: var(--cor-superficie);
  border-radius: var(--raio-lg) var(--raio-lg) 0 0;
  padding: 20px 18px calc(20px + env(safe-area-inset-bottom));
  box-shadow: var(--sombra-lg);
  animation: slideUp 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
}

.toast-container {
  position: fixed;
  bottom: calc(80px + env(safe-area-inset-bottom));
  left: 16px;
  right: 16px;
  max-width: 608px;
  margin: 0 auto;
  z-index: 90;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--cor-superficie-elevada);
  border: 1px solid var(--cor-borda);
  color: var(--cor-texto);
  border-radius: var(--raio);
  padding: 12px 16px;
  box-shadow: var(--sombra-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideToast 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideToast {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.toast-btn {
  background: none;
  border: none;
  color: var(--cor-acento);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 4px 8px;
}